condition	mean	min	max
4 h after light	5.856683333333333	3.62777	7.13158
8 h after light	4.635373666666667	0.989211	9.38446
12 h after light	5.45619	3.20816	8.51163
4 h after dark	6.55511	4.57566	8.94203
8 h after dark	7.3246	5.87603	8.99189
12 h after dark	6.75969	5.90835	8.03315